Table of Contents
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Contents
About this manual ....................................... iv
Safety information ........................................ 1
General safety ................................................ 2
Electrical safety .............................................. 3
Safety inspection guide .................................. 5
electrostatic discharge . ................................... 6
Grounding requirements . ................................ 6
Safety notices: multilingual translations.......... 7
Laser compliance statement......................... 14
Important service information ................... 16
Strategy for replacing FRUs ......................... 16
Strategy for replacing a hard disk drive ............17
compliant FRUs ............................................ 18
General checkout ...................................... 19
What to do first ............................................. 20
Power system checkout................................ 21
Checking the AC adapter . ................................21
Checking operational charging .........................22
Checking the battery pack ................................22
Related service information ...................... 23
recovery system ........................................... 23
Restore of factory default .................................23
Passwords .................................................... 24
Power-on password . .........................................24
Hard-disk password . .........................................24
Administrator password ....................................24
Power management ..................................... 25
shutting it down . ................................................25
Putting your computer to sleep . ........................25
Shutting down the computer . ............................25
Lenovo ideapad 720S Touch-15IKB .......... 26
Specifications ............................................... 26
Status indicators ........................................... 28
Fn key combinations/Hotkeys....................... 29
FRU replacement notices ............................. 30
Screw notices ..................................................30
Removing and replacing an FRU ................. 31
1010 Base cover . ..............................................32
1020 Battery pack . ............................................34
1030 Speaker ...................................................35
1040 Solid state disk ........................................36
1050 DIMM .......................................................37
1070 Fan and heat sink assembly . ...................40
1080 IO board . ..................................................42
1090 Audio board .............................................44
1100 Fingerprint module ...................................45
1110 System board ............................................ 47
1120 Upper case . ..............................................49
1130 LCD unit ...................................................51
microphone board and integrated camera . ......55
1150 LCD hinges ..............................................57
Locations ...................................................... 59
Front and right-side view ..................................59
Bottom and left-side view ................................60
Parts list . ....................................................... 61
Overall ..............................................................62
LCD FRUs ........................................................66
Miscellaneous parts . .........................................67
AC adapters . .....................................................67
Screws . .............................................................67
Power cords . .....................................................68
Notices......................................................... 71
Trademarks .................................................. 72
iii
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Table of Contents
